Alocasia longiloba is a flowering plant of the Araceae family, typically grown for its distinctive 'elephant ear' foliage. Native to China and east Asia.A. longiloba has grey-green leaves with white veining. The leaves are held on burgundy petioles.These leaves emerge from an underground corm. A corm is the swollen base of a stem axis enclosed by dry scale-like leaves that form a protective shell.